Bitcoin tracking to specific origins

[sublimnl]

It's obviously old news that some people have lost a massive amount of bitcoins due to all the various hacks going around. Obviously the goal of these hackers is to make off with a profit - which realistically is anything over a penny. With mtgox down for the count for now, and tradehill currently down, it wouldn't suprise me if some of these hackers will make purchases with their stolen bitcoins. While it's none of my business where or how one of my customers gets their bitcoins, and I am not trying to play big brother - but I do care about how these hacks will affect the bitcoin economy.

Anyhow, a useful tool would be a way to track a bitcoin's origin to any of the large bitcoin heists - i.e. something that could keep a record of flagged origins, then a simple entry of a bitcoin address could see if it belonged to that original wallet. Could also be used to trace back if someone has a piece of the infamous pizza purchase funds as well. I know blockexplorer can be used, but it would be time consuming to do so manually (and I have no time to develop something like this).

Any thoughts on something like this?

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[kjj]

Convince Theymos to implement a tagging system where users can attach keywords to transactions, and later search on them.  Or write your own.

[theymos]

This was initially going to be in the first version of Bitcoin Block Explorer, but I decided that it would have no real use for detecting "dirty" coins. The scammer would just send all of the coins to MtGox or something and withdraw clean coins. Only innocent people would be hurt unless the scammer is really stupid.

[sublimnl]

This was initially going to be in the first version of Bitcoin Block Explorer, but I decided that it would have no real use for detecting "dirty" coins. The scammer would just send all of the coins to MtGox or something and withdraw clean coins. Only innocent people would be hurt unless the scammer is really stupid.

I rather not give the scammers that much credit - but yeah you do have a good point, and it's what I like about bitcoins to begin with; just a shame for all of this to be going on when bitcoins are receiving proper media coverage.

[kjj]

I just think it would be cool to be able to search for coins of mine that were participants in notable events in bitcoin history.

That it would be useless against scammed and stolen coins is actually an argument in favor of implementing it as a novelty.